000 00281nam a2200121Ia 4500
008 200701s1998 xx 000 0 eng d
100 _aSEN.A.K
245 0 _aRADAR SYSTEMS AND RADIO AIDS TO NAVIGATION
250 _a5th
260 _bS CHAND
_c1998
300 _a546
942 _2ddc
_cGE
999 _c586
_d586